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Choosing the right motor oil viscosity is essential for protecting your engine, optimizing performance, and ensuring good fuel efficiency. Your vehicle’s owner’s manual will typically recommend a specific oil or a range of viscosities.
Put simply, you need to find a balance between the two extremes and choose an engine oil that’s right for your vehicle. The best way to do that is to start by checking your vehicle’s manual. You’ll find the manufacturer’s recommendation for the most effective oil type or range of oil viscosity grade you can opt for.
Viscosity Charts. Viscosities based on 96 VI single grade oils. specified at low temperature. SAE 90 to 250 and 20 to 50 specified at 100°C. Many petroleum products are graded according to the ISO Viscosity Classification System, approved by the international standards organization (ISO).
Find viscosity tables and charts for engine oil at multiple temperatures (viscosity and density values with their source).
Motor oil viscosity is determined by numbers that differ based on engine and climate requirements. Single-grade oils, such as SAE 30 or SAE 40, are available, but multi-grade oils like 5W-30 or 15W-50 offer greater versatility.
ENGINE OIL VISCOSITY CHART. What do oil viscosity numbers mean? Viscosity is the resistance to flow of a fluid. Motor oil viscosity grades are based on a scale developed by the API (American Petroleum Institute) lubricant organization.
Learn about motor oil numbers, what is oil viscosity, what oil to use for your car, what is the best oil for winter, when to use high-mileage oil, and more.
Dive into the world of oil viscosity ratings with an insightful Oil Viscosity Chart. This tool simplifies choosing the right oil grade for your vehicle, based on its resistance to flow at different temperatures. Understand the viscosity scale developed by the API for optimal engine performance.
Use our oil viscosity comparison chart to identify and reference thickness at different temperatures for engines and machinery for ISO VG, AGMA, SAE Auto, and SAE Gear lubricants.
Using the correct viscosity oil eases starting, reduces friction and slows wear. Armed with knowledge of viscosity grades, you can now select the right one for your application. In return, you will prevent wear, improve fuel economy, and make more horsepower.